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Which one of the following alloy is not properly matched with regard to its composition ?

Alloy

Composition

(1) Brass

Copper and zinc

(2) solder

Lead and Zinc

(3) Gun metal

Copper, Tin and Zinc

(4) Nichrome

Nickel, Iron and Chromium


1. (1)
2. (2)
3. (3)
4. (4)

1 Answer

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by (114k points)
selected by
 
Best answer
Correct Answer - Option 2 : (2)

Explanation:

Alloys: 

  • Alloys are basically a homogenous mixture of a metal with another metal or non - metal. 
  • The is done to change the property of metals or improvise some of the qualities. 
  • The alloys can make metal rust-free, can enhance its, strength and make it more useful for certain purposes. For example, steel, an alloy of iron has more strength than alloy and is rust-free. Hence it is used for construction purposes. 

Alloy

Composition

Uses

(1) Brass

Copper and zinc

Making Utensills, Locks, gears

(2) solder

Lead and Tin

Electronics, heating etc

(3) Gun metal

Copper, Tin and Zinc

Gears, casting, values

(4) Nichrome

Nickel, Iron and Chromium

Heating, toasters and space heaters

Solder is the alloy of lead and tin but in question it is Lead and zinc. So it is the correct option. 

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